Code for Fabonacci Series

using System;
namespace Console_Fabonacci
{
    class myclass
    {
        public void dispFabonacci()
        {
            int fn = 0, sn = 1, tn, i=2;
            
          

            Console.WriteLine(fn);
            Console.WriteLine(sn);
            while (i<8)
            {

                tn = fn + sn;
              
                fn = sn;
                sn = tn;
                Console.WriteLine(tn);
                i++;

            }
        }
        static void Main(string[] args)
        {
            myclass obj = new myclass();
            obj.dispFabonacci();
            Console.ReadKey();
        }
    }
}